Enter the Name, Display Name, Type and Length of the
field you are trying to map across to SharePoint (These attributes are for the
SharePoint front). After entering these fields, as you scroll down the page,
you will see the section “Add New Mapping”

Select the source of your AD Import from the dropdown,
if you have just one AD Import profile, you will see that selected by default.

In the Attribute text field, enter the property name which is at the Active
Directory side. Then click on Add. You will see the attribute is added in the
Property Mapping for Synchronization section.

That’s it. You are done. Click on OK and run a full synchronization. You will see your property being
pulled from AD to SharePoint.